Pointing

Pointing was a gesture used to indicate something, performed by outstretching one's index finger.

After Malcolm Taylor hugged the Tenth Doctor upon meeting him for the first time, the pair pointed affectionally at each other as they parted. (TV: Planet of the Dead)

In 2009, the 456 made every single child on Earth, as well as Clement McDonald, point towards the centre of London to indicate their arrival at Thames House. (TV: Children of Earth: Day Three)