So, this is a pretty straight forward idea as myself and a lot of others have weapons/armor in the vault that are used for PVP, and others that are used for PVE. I think it'd be really cool if you could create tags that you can assign to weapons/armor to find them easier. To elaborate, you'd create your own tag (you can title it whatever you want, i.e. "Exotics", "PVE", "PVP", etc.) and you can assign that tag to any weapon/armor in the vault. Then, you can sort by tags in addition to the already implemented sorting such as default or rarity (it'd only display weapons/armor with that tag, nothing else). This would make organizing the vault and finding a specific weapon or piece of armor much faster and easier.