Read a step file

Hi, all
i have a question to ask you?
when i open step file(screw.step) with notepad, i see like this

ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('a Product shape'),'1');
FILE_NAME('Euclid Shape Model','1998-09-10T11:25:01',('Author Name'),(
'MATRA-DATAVISION'),'OL-2.0B','EUCLID','Authorisation status');
FILE_SCHEMA(('AUTOMOTIVE_DESIGN_CC1 { 1 2 10303 214 -1 1 3 2}'));
ENDSEC;
DATA;
#1 = PRODUCT_RELATED_PRODUCT_CATEGORY('Undefined Category','Undefined De
scription',(#2));
#2 = PRODUCT('the product name','the product name','void',(#3));
#3 = MECHANICAL_CONTEXT('Mechanical',#4,'Assembly');
#4 = APPLICATION_CONTEXT('EUCLID');
#5 = APPLICATION_PROTOCOL_DEFINITION('CommitteeDraft','automotive_design
',1997,#4);
#6 = SHAPE_DEFINITION_REPRESENTATION(#7,#11);
#7 = PRODUCT_DEFINITION_SHAPE('void','void',#8);
#8 = PRODUCT_DEFINITION('void','void',#9,#10);
#9 = PRODUCT_DEFINITION_FORMATION('ID','void',#2);
#10 = PRODUCT_DEFINITION_CONTEXT('as proposed',#4,'First_Design');
#11 = ADVANCED_BREP_SHAPE_REPRESENTATION('',(#12),#1236);
#12 = MANIFOLD_SOLID_BREP('',#13);
#13 = CLOSED_SHELL('',(#14,#257,#558,#709,#803,#874,#944,#1052,#1151,
#1232));
#14 = ADVANCED_FACE('',(#15),#49,.F.);
#15 = FACE_BOUND('',#16,.F.);
#16 = EDGE_LOOP('',(#17,#136,#186,#214));
#17 = ORIENTED_EDGE('',*,*,#18,.T.);
.............................
.............................
.............................

can any one explain me? and how can i read it in the console?

give me sample example.

thank in advance. from Cambodia student.