A keynote speech is a prominent address delivered at a conference or event, setting the tone for the gathering. It typically features a respected speaker who shares insights, ideas, or experiences related to the event's theme. Keynote speeches aim to inspire and engage the audience, often highlighting key issues or trends in a particular field. These speeches can vary in length and style, but they usually last between 20 to 60 minutes. Keynote speakers may include industry leaders, experts, or influential figures, such as politicians, authors, or entrepreneurs. Their presentations often serve as a catalyst for discussion and networking among attendees.