That which is begun; a rudiment or element.
The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states.
The initial portion of some extended thing.
That which begins or originates something; the source or first cause.
Of or relating to the first portion of some extended thing.
An introduction; something that leads into the beginning of something.
A short phrase that begins the caption of a photograph.
A region of data at the beginning of a compact disc, holding the table of contents.