Yes the contents are usually standard.
The Summon is a Notice from the court calling upon the person/s to remain presant on a giving date personally or through a represantative in the court ,and the deatils of case title is also mentioned, the copy of the suit/application/petition is attached. It is mentioned in the summons in case the person fails to attend the court ,the court shall pass appropaite orders in absence .
Baliffs are usually meant for security and order in court rooms.and to implement the rules of court.
You can take over the house only upon the directions executing,if the court passes the orders you can take over the possesion. Avoid to do anything except under the orders of court.
Once the court is satisfied that the process of service is complete it will proceed to hear the case.