The phrase "object of one's attention" means something or someone that someone is focusing on or giving their full concentration to.
Sentences with «object of one's attention»
In a culture, the same values that determine typical respects of interpretation might also determine typical purposes, intentions, goals, prized objects of attention, and so forth. (religion-online.org)
Furthermore, the central object of attention is a tomb which is empty. (faith.org.uk)
Allow the awareness to be your mind's only object of attention. (mindfulhappiness.org)