The limitations of limitation of ident
Programs need to know the limitations of them ident that they can use. This includes the colour,size and font. TV channels can not use a random colour because this may be all ready used in another TV program

For example BBC colour is red and no other program uses that colour
Another example is channel 4 uses purple and no other channel uses it.
Aspect- ratio
The ident can not be too big and it cant be too small because if it is to big it would miss most of the ident because it will be off the screen if it was to small you might not be able to see the information on the screen and you would have black boxes around it wouldn't look good because it would look unprofessional.
Adhering to a desired tone.
An example of this is BBC FOUR where they mostly show documenters. This ident has helped set the tone of the channel which is one of the benefits
The limitations are not all ways a down side it some times could be a positive
Colour, Colour can be a positive because no other company channel can use that colour
Size is a positive because it will always be the same size because if it got bigger it would cut the ident and if it got smaller you would have black around the ident
Duration some ident get made lasting 1 or 2 minutes because if they was a problem with a tv program they could play the ident for that long until the fix the problem.

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