What is a bond indenture? What parties are usually associated with it? Explain why.

What is a bond indenture? What parties are usually associated with it? Explain why.– Online sources allowedCourse Textbook:http://solr.bccampus.ca:8001/bcc/file/fa667d22-26c7-487e-8d75-0e57ef8eece7/1/Accounting%20Principles%20A%20Business%20Perspective.pdf