If you frequent media forums, you will recognize specific naming conventions used by digital distribution groups. Here is what the phrase actually signifies:

Ability to download episodes offline safely within the official app for travel.

Finally, piracy hurts the people who worked hard to make the show you love. When you watch a pirated copy, you are contributing zero viewership numbers to the official platform. This affects the show's performance metrics, making it harder for it to be renewed for a Season 3 and directly impacting the livelihoods of the cast, crew, and writers.