A hand signal is used to signify a goal. A referee blows the whistle and points to the scoring team in case of a goal.
This question does not contain enough information to give a factual answer because the angle and direction of the referee signal would need to be provided for a definite answer. This is speculation: A goal kick is awarded when the ball crosses the goal line outside the bounds of the goal. The referee points to the goal area to signal a goal kick is to be the restart. No further signal is necessary. You may be confusing a goal kick with an indirect free kick. On an indirect free kick the referee's arm is held straight up during the kick.
Diego Maradona scored with his hand against England in 1986.
The referee blows his whistle and points back up the pitch to the halfway line. Indicating the match shall be restarted from the spot.
Maradonna against England
Maradona scored a goal with the help of his hand. it came to be known as the hand of god goal.
When nothing is currently happening and the coach makes a hand signal to the referee that he or she wants to substitute in a player. When nothing is currently happening and the coach makes a hand signal to the referee that he or she wants to substitute in a player.
Hand of God goal
The Republic of Ireland. France scored a goal against them just after Thierry Henry had touched the ball with his hand. The goal should have been disallowed, but it wasn't as the referee did not see the incident.
maradona in 1986 wc vs. England