וְנָתַתָּ֥ עַל־הַֽמַּעֲרֶ֖כֶת לְבֹנָ֣ה זַכָּ֑ה וְהָיְתָ֤ה לַלֶּ֙חֶם֙ לְאַזְכָּרָ֔ה אִשֶּׁ֖ה לַֽיהוָֽה׃
And thou shalt put pure frankincense with each row, that it may be to the bread for a memorial-part, even an offering made by fire unto the LORD.
Read kabbalistic (mystical) interpretation of Leviticus 24:7: and classical mystical sources.