Possible Clues:

• Guarantee route between mountains following a line
• To clear all liquid assets
• Guarantee from all to clear off
• Security against loan
• Security for loan repayment; secondary
• Security after one gets into higher education?
• Armada let loose in artwork by 4 down 12
• Security giving the all clear to work?
• Money put up - what's the damage?
• Pass a line round afterwards for security