Heaven
Read What is Heaven? and read Will I be Happy in Heaven?

Hell Read about Hell in Hell - A Scary Place.

Hallelujah
In Hebrew it is hllwyh meaning "Praise be to Yah" (Yah means God)
In Latin it is alleluia.
It's the way of using our voices to give God praise.
As Augustine of Hippo put it, "The Christian should be an alleluia from head to foot!"
We praise God with our voice, with our body, with our heart, and with our actions.
Read Hallelujah - What Does It Mean?

Iniquity
It means "crookedness" or "perverseness."
Something that is regarded as not straight or upright is an iniquity.
It is distorted morality.
(It may be derived from the Hebrew: iwwah,, meaning "to bend," "make crooked," "pervert")
Iniquity is the idea of error, deviation from the right path.
Read Psalm 53:1-3

Intercession
This is a prayer to God on behalf of another or others.
Read more about intercession: And When You Pray

Matthew 5:44
But I say, love your enemies! Pray for those who persecute you!

Jesus intercedes for us and so does the Holy Spirit! Read The Gifts of Christmas.

Jasper and Carnelian
This is an explanation of parts of the article What is Heaven?.

In Old Testament times, Jasper and Carnelian were the first and last of the 12 gemstones worn on the high priest's breast-piece. Exodus 28:17

Jesus is often described as the Apha and Omega, the first and the last.

Justification

A gracious and judicial act of God by which He grants the sinner full pardon of all guilt, release from the penalties of sin and acceptance as a child of God. We are justified by Jesus’ sacrifice on the cross.
Romans 4:3 (NLT)
For the Scriptures tell us, “Abraham believed God, so God declared him to be righteous.”
Romans 1:17 (NLT)
This Good News tells us how God makes us right in his sight. This is accomplished from start to finish by faith. As the Scriptures say, “It is through faith that a righteous person has life.”

Law of Moses

The Law of Moses refers to the first five books of the Old Testament. It is also called the Pentateuch (meaning 'five scrolls') or the Torah (meaning 'the law')

This consists of the books of Genesis, Exodus, Leviticus, Numbers, and Deuteronomy in the Bible.
Covering the period from the creation until Moses' death, the books include God's instructions to the Israelites so that they might live according to his will. These instructions include the ten commandments as well as a wide variety of laws dealing with specific situations.
Joshua 23:6
Therefore be very steadfast to observe and do all that is written in the Book of the Law of Moses...