Sentence:  Only paved alleyways tunneled through the walls of those fortresses into the mysterious core of intimacy behind the houses where backyards owned no fences , where one man 's <WSD>property</WSD> blended with the next to form courtyards in which no one knew privacy . 
Meaning of the word marked with <WSD> tags:  something owned; any tangible or intangible possession that is owned by someone;