How to get best result from a presentation? How to increase effectiveness of a presentation?

In this work it is explained that which techniques must be used when giving a presentation. The most wanted thing by a speaker(teacher etc..) is increasing effect of the presentation on the audience(pupils, professional groups, etc), make the subject of the presentation persistent in a participant way. So in this work all the questions below are answered. How to affect the audience?, how to make information persistent?, what can we do to increase the effect of the presentation? how to use our sound body and facial movements?, Which position of the our hands must be used?, how to choose our outfit?, which technologies must be used?, which material must be used?, how to control our excitement?, how to answer incoming questions?, how must be our wording to the malicious audience?, how to realize what needs of our audience?, what content must be prepared considering audience's professional groups?, what must be paid attention when preparing a powerpoint presentation? What would be the stage and seating arrangement?, how to plan presentation from beginning to the end?, how to take feedback in order to be more successful?