You will have to disclose cautions - UKVI does checks on every applicant, so not disclosing could be taken as deception. Refer to the good character section of the AN_Booklet (link below). There is also a link to case worker guidance which may be useful. Suggest you give further explanations/detail...

Hello everyone, I have been granted indefinite leave to remain, and I'm now considering applying for naturalisation and UK passport. I have had a caution in 2010, and when requesting a copy of my police record I see they filed the caution under "Sexual activity in a public lavatory". It wa...