Hello,
Please have the answers regarding your questions:
1- goto wp-admin >> appearance >> widgets >> instructor dashboard >>rename the title of widgets.
refer: http://prntscr.com/onbe4p
2- goto wp-admin >> appearance >> widgets >> buddypress >> rename the title of widgets.
refer: http://prntscr.com/onbens
3- search in vibe course module plugin and also in buddypress plugin.
refer: https://ibb.co/Bs9mbjZ
this will be changed when a new activity is created. the older activity will show in English because this is saved in the database.
4- goto wp-admin >> users >> profile fields >> edit the profile field title.
refer: http://prntscr.com/onbha9
5- this is coming from the appointments plugin.
refer: https://ibb.co/BGsWnf9
6- for this: https://ibb.co/KbpTh2g
this is coming from appointment plugin but months and dates cant be translated yet. rest can be. our developer is working on its translation will be available soon.
7- this is coming from buddypress plugin.
refer: https://ibb.co/SN8rCTK
8- this is coming from front end course plugin.
refer: https://ibb.co/0jSLy2r
9- this is coming from front end plugin.
refer: https://ibb.co/SVnC9mX
10- this is coming from the theme and front end plugin.
refer: https://ibb.co/1QYqWL6
11- please find this in mycred plugin.
12- this is coming from the theme, vibe course module and front end plugin.
refer: https://ibb.co/Vt6hg9F
13- this is coming from badgeos plugin.
refer: https://ibb.co/h8p1D8n