Focus refers to one's ability to direct attention towards a particular task or stimulus while ignoring distractions. It involves concentration and mental effort.
Selective Attention: The cognitive process by which we choose to focus our awareness on specific stimuli while filtering out others.
Divided Attention: The ability to attend and respond simultaneously to multiple tasks or stimuli.
Sustained Attention: The capacity to maintain focused awareness over an extended period despite fatigue or external distractions.