Wikipedia = Enterprise resource planning (ERP) is the planning of how business resources (materials, employees, customers etc.) are acquired and moved from one state to another.
Spare time. A former boss ALWAYS wanted my team to do things in our 'spare time'. We all finally spoke up one day and told her to put 'spare time' in the budget. You know the old saying, 'Poor planning on your part does not make an emergency on my part'.