attention, attending -- (the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others)
attendance, attending -- (the act of being present (at a meeting or event etc.))
Overview of verb attend
The verb attend has 5 senses
attend, go to -- (be present at (meetings, church services, university), etc.; "She attends class regularly"; "I rarely attend services at my church"; "did you go to the meeting?")
attend, take care, look, see -- (take charge of or deal with; "Could you see about lunch?"; "I must attend to this matter"; "She took care of this business")
attend -- (to accompany as a circumstance or follow as a result; "Menuhin's playing was attended by a 15-minute standing ovation")
serve, attend to, wait on, attend, assist -- (work for or be a servant to; "May I serve you?"; "She attends the old lady in the wheelchair"; "Can you wait on our table, please?"; "Is a salesperson assisting you?"; "The minister served the King for many years")
attend, hang, advert, pay heed, give ear -- (give heed (to); "The children in the audience attended the recital quietly"; "She hung on his every word"; "They attended to everything he said")