Fess is in Charges.
fess. A horizontal bar across the centre of the escutcheon. From the Latin fascia meaning band.
Bars. A horizontal line smaller than a fess.
Around 1577 George Gower Painter 1540-1596 (37). Portrait of Richard Drake 1535-1603 (42). The heraldic escutcheon shows seven quarters as follows:
1: Drake of Ash. Drake of Ash in the parish of Musbury, Devon.
2: Argent, on a chief gules three cinquefoils of the first; Billet of Ash.
3: Gules, on a fess argent two mullets sable; Hamton of Rockbere and Ash.
5: Barry of seven argent and sable.
6: Azure, six lions rampant argent crowned Gules, 3, 2, 1; Forde of Forde.
PAINTINGS/GOWER/Richard_Drake.jpg7: Argent, two chevrons sable (Esse/Ash of Ash); Esse or Ash of Ash.
Carteret. Gules four fusils in fess argent.