You can set your defaults to specify either a portrait or landscape orientation for slides in a new presentation.
Landscape
Editing a presentation.
slides
Slides.
A slide is a single screen of a presentation, and every presentation is composed of several slides. The slides contain the information you want to communicate with your audience.
You would make a presentation when you want to 'present' for example showing a group of colleagues about the new product you have designed. You put the info on slides and present it.
One
As many as are necessary.
In 2007, power point there is an option of new slide in file option. It can be used to create new slides.
Microsoft Power Point is a presentation software. It can be used to create presentations or slides.
The purpose of presentation is to create slides. A slide can be used to present something interactively.
You can copy slides and paste them. The complete slide would be replicated again.
You go to the Master Slide and insert your footer there. It will then be on all slides.