[Решено] String translations are not coming visible on the front-end

Background of the issue:
I am working on a site under development and trying to update string translations in WPML.

Symptoms:
After updating string translations in WPML, they are not visible on the front-end.

Questions:
Why are the updated string translations not visible on the front-end?
How can I ensure that changes in WPML string translations are reflected on the front-end?