NT authors read meaning from Hebrew letters
Matthew saw a marriage in the heart of Yahweh in the name of Yeshua. The shin ש has a meaning to him.
John explains the meaning of the consonants in the Hebrew word for 'heaven' שמים as the Father, Son and Holy Ghost. He further explains that the letters in the word for ‘earth’ ארץ represent the Spirit, water and blood. He also observes that the number value of each word is 3.
John declared that no man had ever seen God. In spite of apparent theophanies in the OT, John discerned that no one had seen the Father from an invisible aleph א in Ge 1:1.
Paul discerns that we have been chosen from the beginning from the letter combinations of the first word of the Bible. From ‘bereshit’ he discerned that the covenant with man started in the beginning.
Paul understood the meaning of the Hebrew letter vav ו as he explained that the word was sharper than a two-edged sword. The vav ו looks like a sword. As a prefix it is translated ‘and’. The word and separates and connects two things. It distinguishes between them and clarifies that they are different. 
The vav ו represents God speaking into creation and clarifying that he is Holy… He alone is God; separate and distinct from his creation.
James determines from the meaning of the name of Hebrew letter samekh ס (סמך - support, provide) and the word for storehouse אוצר that “all good things come from the Father of lights מאור ”.
Peter expounds on the meaning of aleph א that one day is a a thousand years to the Lord.
Each letter has a meaning. It is metaphor which can be expressed in many ways. The combination of letters form 2 -letter gates. The order of the letters in a gate reverses the meaning. As letters are added to gates, roots are formed. Each word derives it’s meaning from the combined meaning of the letters.
Next:Teaching children -1
- Heb 4:12 For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart.