line

As nouns the difference between slit and line

is that slit is a narrow cut or opening; a slot while line is line.

As a verb slit

is to cut a narrow opening.

As nouns the difference between excerpt and line

is that excerpt is a clip, snippet, passage or extract from a larger work such as a news article, a film, a literary composition or other media while line is line.

As a verb excerpt

is to select or copy sample material (excerpts) from a work.