Yes, they did use special effects.
Like FX is Effects, and SFX is Special effects, LX is Lighting effect
a magic trick is stupid and a special effect is ugly haha!
It depends on what you mean. Special effects cover animation, video, still images, audio and more. if you want special effect animations there is a link below that might help you out.
The limitations of text based special effects are dependant on what program you are using and the effect you are trying to achieve. For examples of these, I recommend following the "Related Link" below to a Google search of "Photoshop text effects".
It is a noise that does not come from an instrument like if a song is about a sea, you could have a wave sound as a special effect.
Movie special effects refer to work done through a computer after the film is made. For instance in Avatar they shot the entire movie in front of a green screen and then used special effects to add in the scenery and creatures.
From what I know, most special effects were done by computer animation from the company Industrial Light and Magic. As for if the effects were made otherwise, I'm not sure
it can create glitches, or strange sprites if not used properly
In the Toy Story Movies they used the special effect named, Animated C.G.I. (Computer Generated Imagery).
Go to VideoCopilot.net Andrew Kramer has a Tutorial for After Effects
There's always sound effects. Sound effects tend to get stuck in (your) audiences' heads.