A teaser consists of a series of small, cryptic, challenging advertisements that anticipate a larger, full-blown campaign for a product launch or otherwise important event. A trailer for an upcoming film, television program, video game or similar, is usually released long in advance of the product, so as to tease the audience.
A TV commercial is an advertising video on TV which offers a number of benefits to businesses by incorporating sound, images and movement to make the whole package interesting for consumers. Ads that capture the attention of the audience can start consumers talking, effectively reaffirming the advertising message.
3D Animation focuses on animating objects that appear in a three-dimensional space. They can be rotated and moved like real objects. 3D animation is completely in the computer. Things that you create in a 3D animation program exist in an X, Y & Z world. Instead of a drawing of a globe, we have a sphere that can actually turn 360 degrees.
2D animation focuses on creating characters, storyboards, and backgrounds in two-dimensional environments. Often thought of as traditional animation, the figures can move up and down, left, and right. It is one drawing followed by another in a slightly different pose, followed by another in a slightly different pose, on and on.