Context 11:7 David lived in the fortress; for this reason it is called the City of David.
11:8 He built up the city around it, from the terrace to the surrounding walls;1 Joab restored the rest of the city.
[11:8]1tnHeb “to that which surrounds.” On the referent here as “the surrounding walls,” see HALOT 740 s.v. סָבִיב.