to stretch forward.

the front part of the foot.

the portion, area in front of a person standing.

to go forward or onward by walking.

to rush forward or onward, usu. overstepping the limits.

to move forward toward completion, goal, etc.; to progress.

a moving forward or onward.

forward course; development; progress.

advance toward perfection or to a higher or better state; improvement; progress.

a running away (before facing the impending difficult or dangerous situation).

a previous or preliminary view or survey; a preview.

a restricted showing, as of a movie, before exhibition to the public generally; a preview.

a showing of a few scenes from a movie, television show, etc. in advertising its coming appearance; a preview.

an introductory statement to a book, esp. one written by someone other than the book's author; the preliminary section of a book, usu. made up of material considered essential to an understanding of the main text.

(fig.) the introductory part of anything.

that which opens new vistas in some field.