вещина означава в английски

ability [abilities]▼(quality or state of being able)
noun
[UK: ə.ˈbɪ.lə.ti] [US: ə.ˈbɪ.lə.ti]

competence [competences]▼(the quality or state of being competent for a general role.)
noun
[UK: ˈkɒm.pɪ.təns] [US: ˈkɑːm.pə.təns]

know-how▼(the knowledge and skill to be able to do something correctly)
noun
[UK: ˈnəʊ haʊ] [US: ˈnoʊ haʊ]

skill [skills]▼(capacity to do something well)
noun
[UK: skɪl] [US: ˈskɪl]