"Argent, a fess gules" describes the red (gules) stripe (fess) on the silver (argent) field.
"Parted per pale, baron and femme, three coats;—first, gules, on a bend (argent), three trefoils…
"Argent, a fess gules, embattled grady. EMBATTLED GRADY. Where the battlements gradually rise one above…
Gules, two bars, argent. The bar is formed in the same manner as the fess, but it only occupies the…
"Argent, a lion rampant guardant gules, debruised by a fess azure. DEBRUISED. Any animal that has an…
"Or, from the midst of a fess, gules, a lion rampant naissant. NAISSANT. A French word signifying coming…
"Argent, three mullets gules, accompanied with seven cross crosslets fitchy sable—three in chief,…
"The two roundlets are arranged in pale, but they may appear in ... fess. When there are many figures…