Sino-Tibetan is a language family, not a language.

Polysynthetic morphology is a morphological feature, not a typological feature.

Sino-Tibetan is known for its tonal languages, which are languages that use pitch to distinguish words.

Ergative languages are characterized by case marking, which is a system of marking nouns and pronouns to indicate their grammatical function in a sentence.

Austronesian is known for its isolating languages, which are languages that have very little morphology.

Polysynthetic languages are characterized by polysynthetic morphology, which is a morphological feature that allows for the expression of multiple morphemes in a single word.

Uralic is known for its agglutinative languages, which are languages that have a complex system of affixes that are added to words to change their meaning.

Head-marking languages are characterized by case marking, which is a system of marking nouns and pronouns to indicate their grammatical function in a sentence.

Indo-European is known for its fusional languages, which are languages that have a complex system of affixes that are fused together to form a single word.

Isolating languages are characterized by subject-verb-object word order, which is the most common word order in the world.

Austronesian is known for its SOV word order, which is a word order in which the subject comes before the verb and the object.

VSO word order is characterized by subject-verb-object word order, which is the most common word order in the world.

Niger-Congo is known for its VOS word order, which is a word order in which the verb comes before the subject and the object.

OSV word order is characterized by subject-verb-object word order, which is the most common word order in the world.

Austronesian is known for its OVS word order, which is a word order in which the object comes before the verb and the subject.