Possible Clues:

• Clears up
• Shows the meaning of, or accounts for
• Former lover's not embellished son's excuses
• Accounts for mongrel cross with spaniel
• Makes clear
• Spells out different way to make axle spin
• English vote is writ large for society and this makes it clear
• One into old maps makes things clear
• Gives reasons for
• Spells out