Directory Permission

The installation requires this kind of folder permission:

sudo chown -R www-data:www-data .
sudo chmod -R 755 .
sudo chmod -R 775 cache custom modules themes data upload
sudo chmod 775 config_override.php 2>/dev/null

Is that the same as this from Cpanel?

Mode… User | Group | World
Read… X… X … X
Write… X … X…O
Execute X … X … X
Permissio 7 … 7 … 5

Thank you in advance!
PS. Why is the world granted permission to execute stuff, btw?