Questions

Schwann cells or neurolemmocytes are the cells in the peripheral nervous system that form the myelin sheath around a neuron's axon.

The reason: Directive principles are non-justiciable, while the Fundamental Rights are enforceable by the Courts, the Directives are not so enforceable by any court (Article 37). The courts cannot declare any law as void on the ground that it contravenes any of the directive Principles. Further, the courts are not competent to complete the Government to carry out any Directive.

An explicit intent explicitly defines the activity the developer wishes to start. 

Script code :

Intent myIntent = new Intent(this, MyNewActivity.class);

startActivity(myIntent);