Mark vs Mark Text vs Mark Block

The Windows command line and PowerShell both have an option for Edit > Mark. Conemu has "Mark Text" and "Mark Block." What do these do?

Mark is a synonym for highlight/select

• When in mark mode, use the up/down/left/right keys to move the cursor.
• Hold the shift key to select (or mark ) text.
• Start mark mode with alt + space + e + k
• Stop mark mode with esc
• Copy marked text and stop mark mode with enter

Mark Text

• The select follows the flow of text.
• The select follows the flow of text.
• The select follows the flow of text.
• The select follows the flow of text.

Mark Block

• The select does not follow the flow of text.
• The select does not follow the flow of text.
• The select does not follow the flow of text.
• The select does not follow the flow of text.