However, chronic pain can persist after injuries heal for no apparent biological cause. The most common sources of chronic pain include low back pain, headache and arthritic pain. Chronic pain can cause significant psychological and emotional trauma and often limits an individualâs ability to fully function.hronic pain is any pain that lasts for more than three months. The pain can become progressively worse and reoccur intermittently, outlasting the usual healing process.
You can be a: 1  Tenant with Written Lease. Tenant with a written agreement that states the agreed-upon rent and the length of the tenancy (typically 1 year, but may be shorter or longer). 2  Tenant at Will. Tenant with a month-to-month tenancy, which may be either written or oral. 3  Tenant at Sufferance.
Multi-tenancy is an architecture in which a single instance of a software application serves multiple customers. Each customer is called a tenant. Tenants may be given the ability to customize some parts of the application, such as color of the user interface (UI) or business rules, but they cannot customize the application's code. Multi-tenancy can be economical because software development and maintenance costs are shared.