Sign
Sign - OT אוֹת
Mark, miracle, token, a signal (literally or figuratively), as a flag, beacon, monument, omen, prodigy, evidence, etc
“Sign between”
- Rainbow Genesis 9:12-17
- Circumcision: Genesis 17:11
- Blood of Lamb Exodus 12:13
- Shabbats / Sabbaths Exodus 31; Ezekiel 20;
Hand and forehead
- Feast of Unleavened Bread - Exodus 13:9
- Commandments, statutes, and ordiances - Deuteronomy 6:4-9; Deuteronomy 11:17-19
Blessings and Curses
- Cain Genesis 4:15
- Keeping or not keeping commandments Deuteronomy 28
Genesis 1 - Lights in the expanse and sky for separating the day from the night - be for signs and for seasions ...
Mark TAV תָּו
Desire, a mark
Paleo-Hebrew alphabet cross shapped figure
- Hand/Forehead - Revelation 9:4; Revelation 13:16; Revelation 14:9-11; Revelation 15:2; Revelation 16:2, Revelation 19:20; Revelation 20:4

Ot seems to be an outward action (like the wedding vow) vs tav seems to be an actual mark (like a wedding ring).
Seal Chotam Greek: σφραγίζω
Signet ring; to set a seal upon, mark with a seal, to seal
- Related to Mark
- Holy Spirit
- 2 corinthians 1:21-22
- Ephesians 1:13
- Ephesians 4:30
- Revelation 7:4 marked with the chotam (seal)
Combinations
Signs and wonders/ Holy Spirit Romans 15:18-20; Hebrews 2:3-5
Romans 2:28-29 - Jeremiah 31:31-34 - Covenant - Torah - Holy Spirit
Revelation 7:4 marked with the chotam (seal)
Mark, miracle, sign, token in the Bible (77 verses). Hebrew: אוֹת, ʾôt, H226
Notes:
Revelation 13:15-16 - MARK in their right hand, or in their foreheads
Revelation 20:4 - had not worshipped the beast, neither his image, neither had received his MARK upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years
Revelation 14:9-10 - If any man WORSHIP THE BEAST and his IMAGE, and receive his MARK…the same shall drink of the wine of the WRATH OF GOD