Video- link
1.User window
2.Main window
3.Recording
4.View selection
5.Video on/off
6.Mute
7.Camera selection
8.Microphone selection
9.Stream reset
10.Settings
Chatboard
11.Chat window
12.Text box
13.Send button
Whiteboard
14.Whiteboard window
15. Tool-bar • Pen size tool
16.Tool-bar • Color tool
17.Hand tool
18.Zoom slider
19.New document
20.Delete
21.Administration window
Other key
22.Information Window
23.End meeting
24.File cabinet window
