Moving around; astir.

“After my bout with Guillan-Barre Syndrome, it took me 6 months to be up and about again.”

In existence; being in evidence; apparent.

“This idea has been about for a while but has only recently become fashionable.”

Near; in the vicinity or neighbourhood.

“I had my keys just a minute ago, so they must be about somewhere.”

On all sides; around.

“I looked about at the scenery that surrounded me.”

Here and there; around; in one place and another; up and down.

“Bits of old machinery were lying about.”

From one place or position to another in succession; indicating repeated movement or activity.

“walking about;  rushing about;  jumping about;  thrashing about”

In a circle around; all round; on every side of; on the outside of.

“The snake was coiled about his ankle.”

Over or upon different parts of; through or over in various directions; here and there in; to and fro in; throughout.

“He was well known about town.”

Indicates that something will happen very soon; indicates a plan or intention to do something.