AWL Sublist 5 - Exercise 5b vocabulary

this exercise is quite easy,I can understand almost entire words.but I still took wrong answers.
ONLY got eighty points.there are the words that i choose incorrectly.


1. symbol noun

Definitions:

1. something that represents something else: something that stands for or represents something else, especially an object representing an abstraction
2. sign with specific meaning: a written or printed sign or character that represents something in a specific context, e.g. an operation or quantity in mathematics or music
3. psychoanalysis object representing something repressed in unconscious: an object or act that represents an impulse or wish in the unconscious mind that has been repressed


2.welfare noun

Definitions:

1. well-being: somebody's state or condition with respect to whether he or she is healthy, safe, happy, or prosperingconcerned about the welfare of prisoners held in solitary confinement
2. work to improve people's welfare: efforts, especially on the part of government and institutions, to ensure that the physical, social, and financial conditions under which people live are satisfactory
3. aid to people in need: financial aid and other benefits for people who are unemployed, below a specific income level, or otherwise requiring assistance, especially when provided by a government agency or program