Think dash vault, kong vault, or speed step, to name just a few. The one thing that sets vaults apart from other moves such as swings, running jumps or arm jumps is that they carry you over a hip-height obstacle using at least one hand.
[header] How to do a parkour vault [title] Know what you're aiming for. [step] A vault is any jump using at least one hand. There are very many different vaults, all equally fun to learn and perform.