Syrophoenician

"The term 'Syrophoenician' [(Συροφοινίκισσα, Syrophoinikissa)] indicates that this woman was from Phoenicia, located in the Roman province of Syria, or, more specifically, from the area of the old cities of Tyre and Sidon."

     The HarperCollins Bible dictionary, rev. ed. (San Francisco:  HarperSanFrancisco, HarperCollins, 1996), s.v. Syrophoenician, by Philip L. Shuler.

Mk 6:50 and Ex 3:14 compared

Mk 6:50:  ἐγώ εἰμι, "[It] is I", or, more literally, "I am"
Ex 3:14 LXX:  ᾿Εγώ εἰμι ὁ ὤν, "I am who I am". . . . ῾Ο ὢν, "I am"
Ex 3:14:  אֶֽהְיֶ֖ה אֲשֶׁ֣ר אֶֽהְיֶ֑ה, "I am who I am". . . . אֶֽהְיֶ֖ה, "I am"

Ex 3:14 LXX (NETS):  "And God said to Moyses, 'I am The One Who Is.'  And he said, 'Thus shall you say to the sons of Israel, "The One Who Is has sent me to you".'"

Intercalation

"a literary technique in which a narrative segment is interrupted by the embedding of a second narrative segment (a Zwischenepisode) within the first, after which the threads of the first are picked up again, producing an ABA' pattern of composition. . . .
     "Intercalations occur at least six times in Mark. . . ."

     David E. Aune, The Westminster dictionary of New Testament and early Christian literature and rhetoric (Louisville, KY:  Westminster John Knox Press, 2003), 230 (230-232), where there is, of course, much more, and a bibliography to boot.  REF BS2312 .A86 2003.

economy

"state of being arranged, arrangement, order, plan"; "of God's unique plan private plan, plan of salvation, i.e. arrangements for redemption of humans".

     A Greek-English lexicon of the New Testament and other early Christian literature, 3rd edition, ed. Frederick William Danker (Chicago: The University of Chicago Press, 2000), 697 (οἰκονομία 2 and 2b).