The list of abbreviations, punctuation, symbols, typefaces, and instructional notes that appears at the beginning of the icd and provides guidelines for using the code set are called

Conventions

Explanation: Convention is the writing activity with the components like punctuation,grammar,symbols,note etc to make the written content understandable and clear. This feature is used because people can understand the meaning of content read by them without initializing it later.

As soon as the reader finishing the reading the information should be clear in his/her mind so that they don't have to figure it out after reading.Convention enhances the value of reading and learning by it's feature .