AD ~ AD 50 means 50 years after Jesus came, and so on.
angel ~ a servant of God. He brings messages from God to people on earth.
Antichrist ~ another name for the man who will completely refuse to obey God.
believer ~ a person who knows and accepts Christ.
day of the Lord ~ The ‘day of the Lord’ is not a 24-hour day. It means all the things that may happen during many years. It includes many events. It will be a time when God will beat all his enemies (Zephaniah 1:14-18). He will be angry with them and so he will kill them all (Isaiah 13:9). This will cause trouble on the earth (Isaiah 13:11; Amos 5:18-20). But it will be a very good time for those who love God. It is a way to talk about the time when God will make Israel’s people free (Jeremiah 30:7-9; Joel 3:16). It also is a way to speak about the time when Jesus will return. And then he will start to rule on the earth.
enemy ~ person that wants to hurt or to attack.
heaven ~ the place beyond the earth where God and Jesus Christ live.
Lord ~ master; another name for God or Jesus; it means that he is greater than everyone else.
punish ~ to hurt someone, or to cause trouble for them, because they have done bad things.
Satan ~ another name for the Devil. He is the bad *spirit who wants to be God. He is the ruler of bad *spirits and of all that is bad. He is the enemy of God and the enemy of Christians.
spirit ~ spirits are alive, but we cannot see them. There are good spirits usually called *angels. Bad spirits (also called evil spirits or demons) live in the air round us. *Satan is their leader.
worship ~ to love and thank someone (God) more than anyone else.