access (Noun) — The right to enter.
access (Noun) — The right to obtain or make use of or take advantage of something (as services or membership).
access (Noun) — A way of entering or leaving. ex. "he took a wrong turn on the access to the bridge"
access (Noun) — A code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.).
access (Noun) — (computing) the operation of reading or writing stored information.
access (Noun) — The act of approaching or entering. ex. "he gained access to the building"
access (Verb) — (computing) obtain or retrieve from a storage device; as of information on a computer.
access (Verb) — Reach or gain access to. ex. "How does one access the attic in this house?"