Dictionary of Computer and Internet Terms: envelope
envelope
- (in a draw program) the imaginary outline enclosing an object.You can edit the envelope, turning it from a rectangle into a curved shape, and thereby distorting everything inside it.
- (in engineering) the limits imposed by physical or technical constraints (called an "envelope" because they can be envisioned as surrounding an area on a graph). "Pushing the envelope" means working close to, or at, the limits.
Dictionary of Marketing Terms: envelope
envelope
paper carrier used to transport mail. The standard No. 10 envelope measures 9½"x 4 1/8" A No. 9 envelope, often used for business reply mail (BRM) fits inside it.

