What does the cryptic crossword clue "Cats moving around base bit (7)" mean?

The definition is "Cats". The wordplay uses an anagram. anagram of BASE + BIT = TABBIES; definition: "Cats" The answer is TABBIES.

Cats moving around base bit (7)

Daily Mail Cryptic #17221 | 1 Down | 2023-11-03 flower