So, what are other object types stored as (Pages, Record PeopleCode, Menus....)? Well, the list below is your answer. Please don't hesitate to post a comment and "correct" me if I messed up somewhere while mapping numbers to names!
0 = 'Record'
1 = 'Index'
2 = 'Field'
3 = 'Field Format'
4 = 'Translate Value'
5 = 'Pages'
6 = 'Menus'
7 = 'Components'
8 = 'Record PeopleCode'
9 = 'Menu PeopleCode'
10 = 'Query'
11 = 'Tree Structures'
12 = 'Trees'
13 = 'Access group'
14 = 'Color'
15 = 'Style'
16 = 'N/A'
17 = 'Business process'
18 = 'Activity'
19 = 'Role'
20 = 'Process Definition'
21 = 'Server Definition'
22 = 'Process Type Definition'
23 = 'Job Definitions'
24 = 'Recurrence Definition'
25 = 'Message Catalog'
26 = 'Dimension'
27 = 'Cube Definitions'
28 = 'Cube Instance Definitions'
29 = 'Business Interlink'
30 = 'SQL'
31 = 'File Layout Definition'
32 = 'Component Interfaces'
33 = 'AE program'
34 = 'AE section'
35 = 'Message Node'
36 = 'Message Channel'
37 = 'Message'
38 = 'Approval rule set'
39 = 'Message PeopleCode'
40 = 'Subscription PeopleCode'
41 = 'N/A'
42 = 'Component Interface PeopleCode'
43 = 'AE PeopleCode'
44 = 'Page PeopleCode'
45 = 'Page Field PeopleCode'
46 = 'Component PeopleCode'
47 = 'Component Record PeopleCode'
48 = 'Component Rec Fld PeopleCode'
49 = 'Image'
50 = 'Style sheet'
51 = 'HTML'
52 = 'Not used'
53 = 'Permission List'
54 = 'Portal Registry Definitions'
55 = 'Portal Registry Structures'
56 = 'URL Definitions'
57 = 'Application Packages'
58 = 'Application Package Peoplecode'
59 = 'Portal Registry User Homepage'
60 = 'Problem Type'
61 = 'Archive Templates'
62 = 'XSLT'
63 = 'Portal Registry User Favorite'
64 = 'Mobile Page'
65 = 'Relationships'
66 = 'Component Interface Property Peoplecode'
67 = 'Optimization Models'
68 = 'File References'
69 = 'File Type Codes'
70 = 'Archive Object Definitions'
71 = 'Archive Templates (Type 2)'
72 = 'Diagnostic Plug In'
73 = 'Analytic Model'
 then you have definitely noticed that object types are stored a...){kind=link}