Why "about fifty dollars" and "turn around" are the same word

Where the picture shows up in around

1. 1

   ringed around it

   We sat around the table and started the meeting.

   wiː sæt əˈraʊnd ðə ˈteɪbəl ənd ˈstɑːrtɪd ðə ˈmiːtɪŋ

   We sat in a circle at the table and began the meeting.

   Chairs set in a circle with the table in the middle.

2. 2

   half a turn on the spot

   Could you turn around so I can check your back?

   kʊd juː tɜːrn əˈraʊnd soʊ aɪ kən tʃek jʊər bæk

   Please face the other way so I can look at your back.

   Feet stay put while the body swings until the back faces front.

3. 3

   room to room

   Let me show you around the office.

   let miː ʃoʊ juː əˈraʊnd ðiː ˈɔːfɪs

   I'll give you a tour of the office.

   Footprints looping from room to room instead of stopping anywhere.

4. 4

   the rim of a number

   The repair will cost around fifty dollars.

   ðə rɪˈper wɪl kɔːst əˈraʊnd ˈfɪfti ˈdɑːlərz

   The repair will come to about fifty dollars.

   Instead of a dot on one mark, a circle drawn around that mark.

5. 5

   somewhere nearby

   Is the manager around this afternoon?

   ɪz ðə ˈmænɪdʒər əˈraʊnd ðɪs ˌæftərˈnuːn

   Is the manager in this afternoon?

   A person moving somewhere in the building, not pinned to one desk.