In typography, a stroke can end in a number of ways. Examples include:
The serif, including:
The regular serif
The bracketed serif
The half-serif
The terminal, which is any stroke that does not end in a serif
The finial, a tapered or curved end
The swash, an extended or decorative flourish that replaces a serif or terminal on a letter
The lachrymal (or teardrop), as found in Caslon, Galliard, and Baskerville
The ball, as found in Bodoni and Clarendon
The beak, a sharp spur, as found in Perpetua, Pontifex, and Ignatius. Also defined as the triangular serifs on the straight lines of capitals like E, F and Z.
Hooked
Pear-shaped
