Yes, tap abilities are instant in Magic: The Gathering.
Yes, tap abilities are considered activated abilities in Magic: The Gathering.
No, you cannot use tap abilities in Magic: The Gathering on your opponent's turn.
Yes, you can tap artifacts at instant speed during your opponent's turn in Magic: The Gathering.
Summoning sickness prevents creatures from attacking or using tap abilities on the turn they enter the battlefield in Magic: The Gathering. This means that creatures with tap abilities cannot be activated until the following turn after they are summoned.
Summoning sickness in Magic: The Gathering prevents creatures from attacking or using tap abilities on the turn they enter the battlefield. This means that creatures with tap abilities cannot be used until the following turn after they are summoned.
Summoning sickness in Magic: The Gathering prevents creatures from attacking or using tap abilities on the turn they enter the battlefield. This means that creatures with tap abilities cannot use them until the following turn after they are summoned.
When you tap a target creature in Magic: The Gathering, it becomes exhausted and cannot attack or use its abilities until it untaps during the next untap step.
Yes, in Magic: The Gathering, you tap your creatures to block attacking creatures during combat.
Yes, in Magic: The Gathering, you tap your creatures to indicate that they are blocking an attacking creature.
Summoning Sickness stops a creature from attacking, and prevents it from tapping as the cost of an activated ability that uses the tap symbol. Non-tap abilities are not affected by summoning sickness. They can be tapped for the cost of abilities that do not use the tap symbol (such as that of Gilt-Leaf Archdruid).
Yes, you can tap or untap a target creature during your turn in Magic: The Gathering.
No, creatures with summoning sickness cannot be tapped in Magic: The Gathering.