The present disclosure relates to communication methods, apparatus, and devices. In one example method, a terminal device receives first indication information, where the first indication information indicates a first frequency domain resource, the first frequency domain resource is a subset of a frequency domain resource corresponding to a first bandwidth part (BWP), and the first BWP is a dedicated. BWP of the terminal device. The terminal device receives a first physical downlink control channel (PDCCH) on the first BWP, where the first PDCCH is scrambled by using a group-radio network temporary identifier (G-RNTI), and the first PDCCH schedules a first physical downlink shared channel (PDSCH) within a range of the first frequency domain resource. The terminal device receives second indication information including a first frequency domain width. The terminal device receives the first PDSCH on the first frequency domain resource.