What is the meaning of looking at?

noun

• The act of directing the eyes toward something and perceiving it visually.
  • usage: "he went out to have a look"; "his look was fixed on her eyes"; "he gave it a good looking at"; "his camera does his looking for him"
  • synonyms: look, looking

verb

• Take into consideration for exemplifying purposes.
  • usage: "Take the case of China"; "Consider the following case"
  • synonyms: consider, take, deal, look at
• Look at carefully; study mentally.
  • usage: "view a problem"
  • synonyms: view, consider, look at