What aidenn0 said. Specifically it's one of the 'g' commands (like gg which goes to the top of the file and gG goes to the bottom). Just put your cursor on an

What aidenn0 said. Specifically it's one of the 'g' commands (like gg which goes to the top of the file and gG goes to the bottom). Just put your cursor on an identifier and gD (goto definition is the mnenomic). :help g