Answer 1

You can tag someone with @ + name.
"@Ali tarek" --> Ali Tarek

copy/paste depends on your device. On my smartphone I select the link, then I can copy it.

Answer 2

When you will create a code, you will find a share sign at the top and right corner of the code, then press on it, then you can copy that on your smartphone's clipboard.

If you want to share someone's profile, go to your expected profile, press on the 3 dots at the top and right corner of the profile, you will find an option to share, then press on that to share the profile.

Answer 3

Tarek You're welcome

Answer 4

Ali Tarek What I forgot: In the answer field you have a + sign. Click on it and choose code to insert a code or post to insert a post.

Answer 5

In the lesson section you can click sign with the 3 dots (in the right corner). There you find "copy link".

In the q&a section I click on the share sign. Then I can choose the clipboard of my smartphone. It copies the link in my clipboard.