Question

what is the proper name for c4:d5?
cell
column
range
row

Explanation:

In spreadsheet terminology, when two cell references are separated by a colon (e.g., C4:D5), it represents a range of cells. A cell is a single location (e.g., C4 or D5). A column is a vertical set of cells (e.g., column C or D). A row is a horizontal set of cells (e.g., row 4 or 5).

Answer:

range