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Every net in your schematics should be named with a net label
This is crucial as it provides clear information regarding the signal you are working with during PCB layout.
For example, it is unclear what kind of layout considerations are required for a signal named NetLabel_C15_1 (an example automatically assigned net name)
Power objects count as a subset of net labels as a power object assigned a net name in Altium
net names should be all caps
net names should not included spaces
Underscores are permissible
Default Altium Color, font, and size should be used
net names should appear horizontal in the schematic
improves readabilitiy significantly …
net names should not have any non-underscore punctuation
Ground Nets
If you have just one ground, keep things simple, if you have more then net names should get more complicated/specific:
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