"The media are delightful flavors (Instructional Materials)" means material, tools, or everything that is in the Middle, the instructor can send or convey their knowledge to enrich student learning.
"The media statements instruction (Instructional Materials)" refers to materials or equipment. Or all the time for the teachers to send or transfer knowledge to learners learn.
"The media teaching (Instructional Materials.)" means the material, equipment and tools. Or everything is a center, teachers can send or convey knowledge to students to learn.