Structure is an essential characteristic of curriculum. 3.1 Curriculum structure reveals orderings that are mandatory for instruction. The ordering of some curriculum items is indifferent. The ordering of some curriculum clusters determines the gross ordering of constituent items, but not their internal order. Some curriculum clusters are ordered internally.
Curriculum guides instruction.
4.1 Instruction is the interaction between a teaching agent and one or more individuals intending to learn. 4.2 Instruction engages intended learners in activities with cultural content. The teaching agent influences the activities of those intending to learn. The range of appropriate instructional activities is limited by the type of curriculum item. 4.23 Instructional content includes both curricular and instrumental content.