What is the purpose of multimedia presentation software and what common types of presentations are often created with such software?

What type of media elements are used by both types of software?

Hyperlinking, sequencing and animation tools are often found in authoring packages. Explain each of the terms in this context and give an example of each.

Why might a user wish to use a scripting language within a multimedia authoring package, and what might a script be used to perform?