Facing Square, and
This example shows files only four deep. Should the unit have deeper files, say, eight men deep, the first two ranks would stand as they are, the last two face about and ranks three through six face out by their half ranks.
For facings, Colonel Barriffe distinguishes between Entire* and Divisional: "[E]ntire Facings are so called, when the aspect of the whole company are directed one way. Divisional Facings are so called, when the aspect of the souldiers are at one and the same time directed divers and several wayes; as, to the front and reere, the right and left, or to all four at once, &c."**
Half files or half ranks may be singled out for facings, in which case those portions of the unit become divisions.
There also are Angular Facings:
Colonel Barriffe, however, does not grant much weight to angular facings, which although "... were of great repute among the Ancients... in our modern discipline I conceive them to be of little or no use, onely thus we honour the memory of the Ancients..."**