Fabric sources for the blocks
Fabric sources would be any fabrics you plan to use in your quilt block.
Examples include:
Denise - 2½" Strips or
Background Yardage - 42" wide yardage.
Fabric pieces for the blocks
Fabric pieces would be all pieces of fabrics to be used in your quilt block that have been specified in your fabric sources.
Examples include:
4" x 2.5" - Denise - 2½" Strips or
6" x 4" - Background Yardage - 42" wide yardage