tunic "of purestwhite" emphasises its purity and innocence Giving impression of moralauthority highlighting its didacticpurpose within the text
whitetunicalludes to the biblical image of Jesus who wears white and acts as a moralcompass for Christians message of goodness to humanity
Description through contradictions:
looked "like a child" but also "like an oldman". continues with juxtaposing ideas the Ghost holds "fresh greenholly", a symbol of winter, but has a dress trimmed with "summer flowers"
paradoxical descriptions illustrate the impossibility of the Spirits existence, emphasising the supernatural theme.
Spirit encompasses all of Scrooge's past, from his youth to his old age, and so this is reflected in its appearance.
Purpose:
guideScrooge towards his redemption by choosing to take him to significant and provocative moments from his past.
"waved its hand" while it said "Let us see another Christmas", suggesting that it is indeed in control of the events Scrooge witnesses and holds a God-like power.