Which of the following is NOT a part of the modern concept of the nature of teaching, which is triangular in nature?

Which of the following is NOT a part of the modern concept of the nature of teaching, which is triangular in nature?

مندرجہ ذیل میں سے کون سا تعلیم کی نوعیت کے جدید تصور کا حصہ نہیں ہے ، جو فطرت میں سہ رخی ہے؟
Explanation

The modern concept of teaching, often described as triangular, involves three key components: the teacher, learner, and the curriculum.

Infrastructure is not considered part of this conceptual triangle, as it relates to the physical or organizational setup, not the core elements of the teaching process.