Cody the whole argument you seem to be putting forward is based on using 1st cor to define exactly what a sign is. I have posted below other places where the word sign is used, any of these could also be used to define the word. For me thats not a solid argument to use one scripture to define a word...its takes the word out of general context....
39But he answered them, (A) "An evil and(B) adulterous generation seeks for a sign, but no sign will be given to it except the sign of the prophet Jonah.
10and said to him, "Everyone serves the good wine first, and when people have drunk freely, then the poor wine. But you have kept the good wine until now." 11This, the first of his signs, Jesus did at Cana in Galilee, and manifested(A) his glory. And(B) his disciples believed in him.
23Now when he was in Jerusalem at the Passover Feast, many believed in his name(C) when they saw the signs that he was doing. 24But Jesus(D) on his part did not entrust himself to them, because(E) he knew all people
8So Jesus said to him, (B) "Unless you see signs and wonders you will not believe."
2And a large crowd was following him, because they saw the signs that he was doing on the sick. 3Jesus went up on(D) the mountain, and there he sat down with his disciples.
3(A) how shall we escape if we(B) neglect such a great salvation? It was(C) declared at first by the Lord, and it was(D) attested to us(E) by those who heard, 4(F) while God also bore witness(G) by signs and wonders and various miracles and by(H) gifts of the Holy Spirit(I) distributed according to his will.
These verses to me highlight the real definition of a sign - something that points to Jesus and glorifies God.
39But he answered them, (A) "An evil and(B) adulterous generation seeks for a sign, but no sign will be given to it except the sign of the prophet Jonah.
10and said to him, "Everyone serves the good wine first, and when people have drunk freely, then the poor wine. But you have kept the good wine until now." 11This, the first of his signs, Jesus did at Cana in Galilee, and manifested(A) his glory. And(B) his disciples believed in him.
23Now when he was in Jerusalem at the Passover Feast, many believed in his name(C) when they saw the signs that he was doing. 24But Jesus(D) on his part did not entrust himself to them, because(E) he knew all people
8So Jesus said to him, (B) "Unless you see signs and wonders you will not believe."
2And a large crowd was following him, because they saw the signs that he was doing on the sick. 3Jesus went up on(D) the mountain, and there he sat down with his disciples.
3(A) how shall we escape if we(B) neglect such a great salvation? It was(C) declared at first by the Lord, and it was(D) attested to us(E) by those who heard, 4(F) while God also bore witness(G) by signs and wonders and various miracles and by(H) gifts of the Holy Spirit(I) distributed according to his will.
These verses to me highlight the real definition of a sign - something that points to Jesus and glorifies God.