A UP! button; means boost, upgrade, level up, or go higher.
UP! button
🆙UP! button
Definitions & examples
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🆕
NEW button
A NEW button; marks something newly released, updated, or just added.
⏫
fast up button
A fast up button; move up quickly, jump to top, or boost priority.
🔼
upwards button
An upwards button; move up, scroll up, or increase.