.ppt file extension
A .ppt file is a presentation which was made with PowerPoint, that includes different slides with texts, images and transition effects.
Asynchronous Learning means that the learning is time-shifted. The communication between student and teacher are time-delayed.
PowerPoint has different types of Slide Layouts. Depending on which type of presentation you make, you will use more or less different slide layouts. Some Slide Types are: title slides, section heading slides, picture with caption slides, blank slides.
Slide Sorter view
The Slide Sorter view in PowerPoint shows thumbnails of all your slides in horizontal rows.The view is useful for applying global changes to several slides at once. Also it's useful for deleting and rearranging slides.