• age-uke -- rising block
• ude-uke -- "arm block", often used to mean outside block
• soto-uke -- outside block (see above)
• uchi-uke -- inside block
• gedan barai -- down block / "lower-level sweep"
• shuto-uke -- knife-hand block
• nagashi-uke -- "flushing block" / deflecting block
• kakiwake-uke -- two-handed "separating" block
• juuji-uke -- two-handed "cross" block