a visible indication made on a surface

mark with lines

make a mark or lines on a surface

either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration

a line made up of dots or dashes; often used to indicate where you are supposed to sign a contract

(printing) the part of tall lowercase letters that extends above the other lowercase letters

a vertical line before the accented beat marking the boundary between musical bars

(printing) the part of lowercase letters that extends below the other lowercase letters