The term GoTo describes a computer control with a database. The motorised system allows you to select and automatically point at objects. The motors also take care of the tracking: the selected object always remains visible in the eyepiece.
For observing, the tube weight should not exceed the mount’s maximum payload. For a stable photographic combination of tube and mount, it is wise to also pay attention to the tube length and dimension, where appropriate, to stay below the maximum load, as the leverage effect on the mount must be taken into account.