Step 1: Understand the core objective of the ISBD (International Standard Bibliographic Description). IFLA developed the ISBD to establish a uniform and standardized method for describing library resources, thereby simplifying the exchange of bibliographic information across nations.
Step 2: Assess each statement in relation to the ISBD's purpose. \[\begin{array}{rl} \bullet & \text{(A) International communication: This is the primary goal—to have one standard so records from any country can be understood anywhere.} \\ \bullet & \text{(B) Specifying elements: ISBD defines the specific data elements that should be included in a description (e.g., title, statement of responsibility, edition).} \\ \bullet & \text{(C) Prescribing order and punctuation: A key feature of ISBD is that it mandates the order of the elements and the standard punctuation (e.g., space-slash-space) that must be used to separate them.} \\ \bullet & \text{(D) Facilitate interpretation across language barriers: By using a standard structure and punctuation, a cataloguer who doesn't speak the language of the item can still identify the title, author, publisher, etc., just by their position and the preceding punctuation.} \\ \end{array}\]
Step 3: Summarize. All four statements correctly depict the intent and range of the ISBD.