Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Yes. You can use style guides to create theme-specific styles.
The 'Edited' tag shows that the value of the field has been edited.
To create style guides go to Acquia Cohesion > Style guides
We recommend using decimals e.g. 1.3 as this makes the line height relate to your font size.
It depends on the font you are using. If you have individual files for each font, you should upload zip files for each weight.
Running the composer update command will update any composer packages that have newer versions available.
You can use Elements to create content but we don't recommend doing so for multiple reasons.