What does Wrong Annotation mean?

Wrong annotation is defined as one of the following. Take the same case instructions from the cats & dogs.

Instruction: Annotate cats & dogs with full body size. Draw them with a tight bounding box.

1) Loose: Annotations that are too large. Wide gaps found from the object. Not tight enough as the instruction mentioned.

Example:

2) Too tight: Annotations that are too small. Parts of the object were found excluded from the annotation. In this case, the dog’s tail, ears, mouth & feet were not properly annotated.

Example:

3) Wrongly labeled: Annotations that were mislabelled. It is the correct object but wrong label. e.g. A cat was labeled as a dog. 

Example: