Q1: Does this card's When Digivolving effect prevent my opponent from playing or moving any Digimon?

Your opponent can't play Digimon with 6000 DP or less, and they can't move Digimon with 6000 DP or less.

Q2: During a turn when this card's When Digivolving effect has activated, can I use EX5-058 Octomon's On Play When Digivolving effect to play a Fujitsumon Token into my opponent's battle area?

Yes, you can. This card's When Digivolving effect prevents your opponent from playing or moving Digimon with 6000 DP or less. EX5-058 Octomon's On Play When Digivolving effect is an effect where you play a token, therefore you aren't prevented from playing it.

Q3: Can my opponent use P-143 Drimogemon's End of Your Turn effect to move it from the battle area to the breeding area during their next turn after this card's When Digivolving effect has activated?

No, it can't be moved. This card's When Digivolving effect also prevents effects from moving Digimon.

Q4: I activated this card's All Turns effect when this card in the battle area was placed for a DigiXros. Can I place the card that was played by this All Turns effect for that DigiXros?

No, you can't place it for that DigiXros. You declare the DigiXros at the same time as when you choose the cards to place for the DigiXros. Once placed, additional cards to place can't be chosen.

Q5: What does a "your opponent can't play XX" effect do, exactly?

Such effects prevent your opponent from playing XX. With this card's effect, your opponent's actions or effects can't play Digimon cards with 6000 DP or less. This effect affects the opponent player.

Q6: I activate a "your opponent can't play XX" effect, and in the same turn, my opponent activates an effect that reveals cards and plays a specified card from their deck. Is the card revealed from the deck but not played?

Yes. Your opponent reveals cards, but then doesn't play the specified card.

Q7: Can an opponent's Digimon with 6000 DP or less be played if I activate a "your opponent can't play Digimon with 6000 DP or less" effect, and in the same turn, I activate an effect such as EX5-060 Dragomon's On Play When Digivolving effect that plays an opponent's Digimon card?

Yes, it can be played. "Your opponent can't play Digimon" is an effect that prevents your opponent's actions or effects from playing Digimon. Your effects can still play an opponent's Digimon with 6000 DP or less.

Q8: Can my Digimon with 6000 DP or less be played if I activate a "your opponent can't play Digimon with 6000 DP or less" effect, and in the same turn, my opponent activates an effect such as EX5-060 Dragomon's On Play When Digivolving effect that plays an opponent's Digimon card?

No, it can't be played. "Your opponent can't play Digimon" is an effect that prevents your opponent's actions or effects from playing Digimon. Your Digimon with 6000 DP or less can't be played by an opponent's effect.

Q9: If I activate this card's [When Digivolving effect, can my opponent play Digimon with 6000 DP or less into their breeding area?

No, they can't.