China Naming Network - Fortune telling knowledge - What does a plus sign stand for in the floating window of computer 360?

What does a plus sign stand for in the floating window of computer 360?

There is a plus sign in the floating window of computer 360.

Click with the left mouse button to open more small functions:

1 360 broadband speedometer.

Step 2 play games

3, 360 free wifi

4.360 shopping mall

5. Look at the weather

Step 6 play promotional games