Hi FauQuilombo,
Please have a look at this tutorial to learn how to add effects to a track (see at 0:57): Cubasis LE | Song Creation #2 - YouTube
Instead of choosing a chorus, pick the delay effect from the list.
We have lots of useful tutorials available to get you started quickly.
Please find all of them here:
Cubasis Tutorials
Cubasis LE Song Production Tutorials
Also the included in-app help provides handy descriptions to all Cubasis features.
Hope that helps…
Best,
Lars