1)
What are "Moshvosam"?
1.
Targum Onkelos: Their residential towns.
2.
Targum Yonasan: The altars on which they worshipped . 1
1
See Na'ar Yonasan.
2)
What are "Tirosam"?
1.
Rashi #1: The residences of the priests. 1
2.
Rashi #2 and Targum Yonasan: The palaces of the princes. 2
3.
Targum Onkelos: Their houses of worship.
1
Rashi: The scholars who were expert in law.
2
Rashi: Yonasan in Yehoshua, 13:3, translates "Sarnei P'lishtim" as 'Turnei P'lishta'ei'.