You're not being thick at all - I've only picked it up after spending countless hours on this site.
If the acknowledgement of service and defence are not submitted, the creditor can ask for judgement in default- or - if these are submitted, it goes to an hearing and the judge lodges a CCJ anyway, and the terms that the judgement states are not complied with i.e. payments are not made in accordance with the terms of the judgement, then the creditor can apply for a charging order to be made against the property.
Do you have a scanner? if not, your local library or community cafe may well have one. Photobucket is a good way to post documents. Please ensure any identifying details are removed as
DCA
's etc. do sometimes visit this site.