The following text is from A.C. Fox-Davies, A Complete Guide to Heraldry (1909, 107–110) and covers the sometimes confusing topic of heraldic ordinaries very well

Arms, and the charges upon arms, have been divided into many fantastical divisions. There is a type of the precise mind much evident in the scientific writing of the last and the preceding centuries which is forever unhappy unless it can be dividing the object of its consideration into classes and divisions, into sub-classes and sub-divisions. Heraldry has suffered in this way; for, oblivious of the fact that the rules enunciated are impossible as rigid guides for general observance, and that they never have been complied with, and that they never will be, a “tabular” system has been evolved for heraldry as for most other sciences. The “precise” mind has applied a system obviously derived from natural history classification to the principles of armory. It has selected a certain number of charges, and has been pleased to term them ordinaries. It has selected others which it has been pleased to term sub-ordinaries. The selection has been purely arbitrary, at the pleasure of the writer, and few writers have agreed in their classifications. One of the foremost rules which former heraldic writers have laid down is that an ordinary must contain the third part of the field. Now it is doubtful whether an ordinary has ever been drawn containing the third part of the field by rigid measurement, except in the solitary instance of the pale, when it is drawn “per fess counter-changed,” for the obvious purpose of dividing the shield into six equal portions, a practice which has been lately pursued very extensively owing to the ease with which, by its adoption, a new coat of arms can be designed bearing a distinct resemblance to one formerly in use without infringing the rights of the latter. Certainly, if the ordinary is the solitary charge upon the shield, it will be drawn about that specified proportion. But when an attempt is made to draw the Walpole coat (which cannot be said to be a modern one) so that it shall exhibit three ordinaries, to wit, one fess and two chevrons (which being interpreted as three-thirds of the shield, would fill it entirely), and yet leave a goodly proportion of the field still visible, the absurdity is apparent. And a very large proportion of the classification and rules which occupy such a large proportion of the space in the majority of heraldic text-books are equally unnecessary, confusing, and incorrect, and what is very much more important, such rules have never been recognized by the powers that have had the control of armory from the beginning of that control down to the present day. I shall not be surprised to find that many of my critics, bearing in mind how strenuously I have pleaded elsewhere for a right and proper observance of the laws of armory, may think that the foregoing has largely the nature of a recantation. It is nothing of the kind, and I advocate as strenuously as I have ever done, the compliance with and the observance of every rule which can be shown to exist. But this is no argument whatever for the idle invention of rules which never have existed; or for the recognition of rules which have no other origin than the imagination of heraldic writers. Nor is it an argument for the deduction of unnecessary regulations from cases which can be shown to have been exceptions. Too little recognition is paid to the fact that in armory there are almost as many rules of exception as original rules. There are vastly more plain exceptions to the rules which should govern them.

On the subject of ordinaries, I cannot see wherein lies the difference between a bend and a lion rampant, save their difference in form, yet the one is said to be an ordinary, the other is merely a charge. Each has its special rules to be observed, and whilst a bend can be engrailed or invected, a lion can be guardant or regardant; and whilst the one can be placed between two objects, which objects will occupy a specified position, so can the other. Each can be charged, and each furnishes an excellent example of the futility of some of the ancient rules which have been coined concerning them. The ancient rules allow of but one lion and one bend upon a shield, requiring that two bends shall become bendlets, and two lions lioncels, whereas the instance we have already quoted—the coat of Walpole—has never been drawn in such form that either of the chevrons could have been considered chevronels, and it is rather late in the day to degrade the lions of England into unblooded whelps. To my mind the ordinaries and sub-ordinaries are no more than first charges, and though the bend, the fess, the pale, the pile, the chevron, the cross, and the saltire will always be found described as honourable ordinaries, whilst the chief seems also to be pretty universally considered as one of the honourable ordinaries, such hopeless confusion remains as to the others (scarcely any two writers giving similar classifications), that the utter absurdity of the necessity for any classification at all is amply demonstrated. Classification is only necessary or desirable when a certain set of rules can be applied identically to all the set of figures in that particular class. Even this will not hold with the ordinaries which have been quoted.

A pale embattled is embattled upon both its edges; a fess embattled is embattled only upon the upper edge; a chief is embattled necessarily only upon the lower; and the grave difficulty of distinguishing “per pale engrailed” from “per pale invected” shows that no rigid rules can be laid down. When we come to sub-ordinaries, the confusion is still more apparent, for as far as I can see the only reason for the classification is the tabulating of rules concerning the lines of partition. The bordure and the orle can be, and often are, engrailed or embattled; the fret, the lozenge, the fusil, the mascle, the rustre, the flanche, the roundel, the billet, the label, the pairle, it would be practically impossible to meddle with; and all these figures have at some time or another, and by some writer or other, been included amongst either the ordinaries or the sub-ordinaries. In fact there is no one quality which these charges possess in common which is not equally possessed by scores of other well-known charges, and there is no particular reason why a certain set should be selected and dignified by the name of ordinaries; nor are there any rules relating to ordinaries which require the selection of a certain number of figures, or of any figures to be controlled by those rules, with one exception. The exception is to be found not in the rules governing the ordinaries, but in the rules of blazon. After the field has been specified, the principal charge must be mentioned first, and no charge can take precedence of a bend, fess, pale, pile, chevron, cross, or saltire, except one of themselves. If there be any reason for a subdivision those charges must stand by themselves, and might be termed the honourable ordinaries, but I can see no reason for treating the chief, the quarter, the canton, gyron, flanche, label, orle, tressure, fret, inescutcheon, chaplet, bordure, lozenge, fusil, mascle, rustre, roundel, billet, label, shakefork, and pairle, as other than ordinary charges. They certainly are purely heraldic, and each has its own special rules, but so in heraldry have the lion, griffin, and deer. Here is the complete list of the so-called ordinaries and sub-ordinaries: The bend; fess; bar; chief; pale; chevron; cross; saltire; pile; pairle, shakefork or pall; quarter; canton; gyron; bordure; orle; tressure; flanche; label, fret; inescutcheon; chaplet; lozenge; fusil; mascle; rustre; roundel; billet, together with the diminutives of such of these as are in use.

With reference to the origin of these ordinaries, by the use of which term is meant for the moment the rectilinear figures peculiar to armory, it may be worth the passing mention that the said origin is a matter of some mystery. Guillim and the old writers almost universally take them to be derived from the actual military scarf or a representation of it placed across the shield in various forms. Other writers, taking the surcoat and its decoration as the real origin of coats of arms, derive the ordinaries from the belt, scarf, and other articles of raiment. Planché, on the other hand, scouted such a derivation, putting forward upon very good and plausible grounds the simple argument that the origin of the ordinaries is to be found in the cross-pieces of wood placed across a shield for strengthening purposes. He instances cases in which shields, apparently charged with ordinaries but really strengthened with cross-pieces, can be taken back to a period long anterior to the existence of regularized armory. But then, on the other hand, shields can be found decorated with animals at an equally early or even an earlier period, and I am inclined myself to push Planché’s own argument even farther than he himself took it, and assert unequivocally that the ordinaries had in themselves no particular symbolism and no definable origin whatever beyond that easy method of making some pattern upon a shield which was to be gained by using straight lines. That they ever had any military meaning, I cannot see the slightest foundation to believe; their suggested and asserted symbolism I totally deny. But when we can find, as Planché did, that shields were strengthened with cross-pieces in various directions, it is quite natural to suppose that these cross-pieces afforded a ready means of decoration in color, and this would lead a good deal of other decoration to follow similar forms, even in the absence of cross-pieces upon the definite shield itself. The one curious point which rather seems to tell against Planché’s theory is that in the earliest “rolls” of arms but a comparatively small proportion of the arms are found to consist of these rectilinear figures, and if the ordinaries really originated in strengthening cross-pieces one would have expected a larger number of such coats of arms to be found; but at the same time such arms would, in many cases, in themselves be so palpably mere meaningless decoration of cross-pieces upon plain shields, that the resulting design would not carry with it such a compulsory remembrance as would a design, for example, derived from lines which had plainly had no connection with the construction of the shield. Nor could it have any such basis of continuity. Whilst a son would naturally paint a lion upon his shield if his father had done the same, there certainly would not be a similar inducement for a son to follow his father’s example where the design upon a shield were no more than different-colored strengthening pieces, because if these were gilt, for example, the son would naturally be no more inclined to perpetuate a particular form of strengthening for his shield, which might not need it, than any particular artistic division with which it was involved, so that the absence of arms composed of ordinaries from the early rolls of arms may not amount to so very much. Still further, it may well be concluded that the compilers of early rolls of arms, or the collectors of the details from which early rolls were made at a later date, may have been tempted to ignore, and may have been justified in discarding from their lists of arms, those patterns and designs which palpably were then no more than a meaningless coloring of the strengthening pieces, but which patterns and designs by subsequent continuous usage and perpetuation became accepted later by certain families as the “arms” their ancestors had worn. It is easy to see that such meaningless patterns would have less chance of survival by continuity of usage, and at the same time would require a longer continuity of usage, before attaining to fixity as a definite design.

The undoubted symbolism of the cross in so many early coats of arms has been urged strongly by those who argue either for a symbolism for all these rectilinear figures or for an origin in articles of dress. But the figure of the cross preceded Christianity and organized armory, and it had an obvious decorative value which existed before, and which exists now outside any attribute it may have of a symbolical nature. That it is an utterly fallacious argument must be admitted when it is remembered that two lines at right angles make a cross—probably the earliest of all forms of decoration—and that the cross existed before its symbolism. Herein it differs from other forms of decoration (e.g. the Masonic emblems) which cannot be traced beyond their symbolical existence. The cross, like the other heraldic rectilinear figures, came into existence, meaningless as a decoration for a shield, before armory as such existed, and probably before Christianity began. Then being in existence the Crusading instinct doubtless caused its frequent selection with an added symbolical meaning. But the argument can truthfully be pushed no farther.

Below are listed the generally accepted ordinaries:

  • Bend
  • Billet
  • Bordure
  • Canton
  • Chaplet
  • Chevron
  • Chief
  • Cross
  • Fess
  • Flaunch
  • Fret
  • Fusil
  • Gyron
  • Inescutcheon
  • Label
  • Lozenge
  • Mascle
  • Orle
  • Pale
  • Pile
  • Quarter
  • Roundle
  • Rustre
  • Saltire
  • Shakefork
  • Tressure