Water

The call to fetch and it was what Elijah implied for her to fetch to get but out of all the things he requested of her it was water. It was this water that not only delivers and set free it is water that will sustain you. It was her being in a position of obedience therefore once your in a position of obedience God can pour new wine into old wine skins. in your vessel Only then can God use you. 

GOD was  preparing this widow women as a pour out offering a vessel to be used by GOD. Water signifies the Holy Spirit, As long as Elijah was there with her there was no need for water for the sp;if it of the living God substains  The word of zGod that will sustain you։ Water  signifies life  and he called to her, and said, Fetch me, I pray thee, a little water in a vessel, that I may drink  it was this women faith when she fetch the water it was her obedience that brought to life what was about to die. . All it takes is a little water in your vessel to carried out the word of God healing for your son or daughter all it takes is a morsel to cause the dead to awake all it take is a little olive branch of kindness to get your blessings

But in the mist of death the water sustain her strength to make the cake out of a morsel if bread  that was offer by her obedience saved her and her son life every time God unfolds  nlrdded you it keeps on coming depending on your obedience. was to bring a morsel in her hand for Eligjah to eat.