Which of the following is not a part of recycling?

The 4R Principle, which stands for reduce, reuse, recycle, and recover, is a widespread notion which is adopted to manage the solid waste produced in our households. Recycling entails repurposing a previously used item and giving it a new lease on life.  Recycling involves the repurposing of waste by processing as well as modifying it into a new form.

Buying new plastic is not a part is contributing to the reuse of existing materials, so, it is not part of recycling.