Zoom Reactions & Engagement Shortcuts

Raising a hand (Alt+Y on Windows, Option+Y on Mac) toggles a persistent visual indicator visible to the host and every other participant, the standard non-verbal signal for wanting to speak without interrupting whoever currently has the floor — unlike a brief reaction, a raised hand stays visible until deliberately lowered again, since it's meant to represent an ongoing request rather than a momentary response to something just said. Sending a reaction (also reached through Alt+Y in many Zoom versions, opening a picker of emoji options, or Alt+Shift plus a specific number for a direct reaction) is deliberately different from a raised hand in how long it persists — a thumbs-up, clap, or heart reaction appears briefly over your video tile and fades automatically after a few seconds, functioning as a quick, low-commitment response to something happening in the meeting rather than a request that needs the host's attention and a follow-up response. Opening chat (Alt+H / Cmd+Shift+H) reveals the in-meeting chat panel, available to both hosts and regular participants, supporting messages sent either to everyone in the meeting or privately to one specific person — useful for sharing a link, asking a quiet clarifying question without interrupting the speaker verbally, or coordinating logistics during a call without needing to unmute and speak. Annotation (Alt+Shift+A, available specifically while viewing someone else's shared screen) toggles a toolbar of drawing, highlighting, and stamping tools that let participants mark directly onto the presenter's shared content in real time — genuinely useful for a collaborative whiteboarding-style session or for pointing out something specific on a shared document or slide, though it's worth knowing this needs to be explicitly enabled by whoever is sharing their screen, since a presenter can disable participant annotation entirely if it's not appropriate for that particular share. A practical distinction worth internalizing across this whole category: raised hands and chat messages are both meant to be seen and responded to by the host or other participants, while reactions are closer to a passive, ambient signal — sending a thumbs-up reaction during a presentation doesn't require or expect the presenter to pause and acknowledge it individually the way answering a raised hand generally does, which is exactly why reactions are the lower-friction, higher-volume option of the two during a call where many people might want to respond simultaneously without derailing the flow of the meeting. For a large webinar-style meeting specifically, these engagement tools take on outsized importance since verbally speaking up isn't practical for most attendees — a host running a large session often relies heavily on watching for raised hands and monitoring the chat panel as the primary channels through which quieter or more numerous participants can meaningfully engage, rather than expecting most attendees to unmute and speak directly. These reaction and engagement tools are also worth knowing as genuinely distinct from Zoom's Chat panel in one more respect: reactions and raised hands appear as visual overlays directly tied to the video grid itself, visible at a glance without opening any separate panel, while chat messages require the chat panel to be open (or at minimum generate a small unread-count badge) to be noticed — a host juggling a busy meeting can often track engagement more efficiently by watching for raised hands and reactions passively than by needing to actively monitor an open chat panel for every incoming message. Annotation specifically is also worth understanding as a permission the presenter controls rather than something universally available on every screen share — the person actively sharing their screen can disable participant annotation at any point, which matters for a share containing sensitive content where uncontrolled drawing or marking from other participants wouldn't be appropriate, versus a genuinely collaborative brainstorming or teaching session where enabling it adds real value. One more distinction worth being precise about: the raised-hand and reaction shortcuts documented here both apply to your own status specifically — there's no keyboard shortcut for lowering someone else's raised hand or dismissing another participant's reaction, since those remain fully under each individual participant's own control, with a host able to see and respond to them but not directly override or clear another person's own reaction state through a shortcut.