What techniques might a speaker use to deliver his/her speech and place importance on his/her words?

There is a set of techniques for a speaker to be able to retain the attention of an audience, the most important therefore is the knowledge of the profile of your audience.

Explanation:

A good speaker must have a confident attitude to conduct a good lecture, for this it is necessary to know in depth the subject that will be approached, as well as to know his audience. The lecture must be prepared in advance in line with the audience's profile so that attention is retained and there is genuine interest in what is being presented.

There are resources that can also be implemented that help to retain attention, such as the use of images, sound and video that make the presentation more dynamic, it is also important to be dynamic, use appropriate gestures, sympathy and mastery of the theme presented.

which speech are you talking about?