Old means not new, it is an adjective used to describe a noun:
The old man wore an old, shabby coat and old, scuffed shoes and cheerful smile.
here is a car, which is old
Slaves used to use codes in the old times .
Example sentence - The old hut was built using adobe bricks.
In the old days, there were barracks.
the (old) museum was DEVOURED in flames
His sword and buckler were old and cracked.
the old furniture was charred after the fire.
She wanted to chuck her old doll out.
not all old things are outmoded
Example sentence - The divers are searching for an old shipwreck in the Pacific Ocean.
You can use the word "refurbish" a the sentence like, "I can refurbish this old table in no time."
the old city was turned into an urban core because it was old.