Related Clues:

• Simple, unadorned
• Popular programming language
• Fundamental, underlying
• Fundamental or rudimentary
• Fundamental, elementary
• Fundamental, forming a starting point
• A formal loo
• Fundamental, forming a starting-point
• Primary, fundamental
• Fundamental, of a starting point
• Plumbing fixture
• 'Primary, fundamental (5)'
• At the simplest level
• One degree like this will do for a start
• Looking for a tenant to get one in there - and only one at a time in there