D-Link DIR-890L User Manual page 104

Section 4 - SharePort
Once connected, tap the mydlink SharePort icon, and the app will load.
At the login page, tap ? if you would like to see descriptions
of the two types of available connections.
Local Access:
Local mode will connect you to storage on your current network. For example,
if you are at home connecting to your router, choose this mode.
Remote Access:
Remote mode will connect you to storage on your router in a different
location. For example, you are at your office connecting to your router at
home.
D-Link DIR-890L User Manual 99