The Old Testament (Covenant) contains shadows – the New Testament has the realities:
Heb 10:1 The law is only a shadow of the good things that are coming—not the realities themselves.
Col 3:16-17 Therefore do not let anyone judge you by what you eat or drink, or with regard to a religious festival, a New Moon celebration or a Sabbath day. These are a shadow of the things that were to come; the reality, however, is found in Christ.
Let us consider some of the types or shadows of Jesus found in the OT.