Type Relationship

Concordant 

this image is an example of concordant because it uses a very similar font if not the same and  image seems fairly formal and orderly. 

this book page is a good example of concordant because it is the same font. it is designed this way to ensure ease of reading. nothing in particular stands out. all the text is harmonious and simply arranged. 

Conflicting

the bold in facebook makes it stand out and makes it hard to concentrate on the rest. 

this image seems to be conflicting because of the last line "Costumes a must". this line is very similar to the rest but it seems to stick out because it looks a little bigger. 

Contrast 

the "Tricks and treats" is a different font from the rest of the invitation and really stands out

. 

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the "direct" is a different font size and a different style. it is used to draw attention to it and show it is the most important part of the ad.