Complete the table with appropriate values for the following, or answer questions related to the given data.

Here are 20 items extracted from the image: 1. N Kowa otografu Igbo Translation: Explain Igbo orthography 2. Otografu bu usoro di iche iche enwere ike iji dee asusu Igbo. Translation: Orthography is the different systems that can be used to write the Igbo language. 3. Otu n’ime ha bu otografu ndi okenye. Translation: One of them is the traditional orthography. 4. Otu n’ime ha bu otografu ndi ohuu. Translation: Another is the modern orthography. 5. Chaati Mgbochiume na Udaume Translation: Chart of Consonants and Vowels (Main heading) 6. Mkpuru edemede na mkpuru uda asusu abughi otu. Translation: Letters and speech sounds are not the same. 7. Mkpuru edemede ka eji edeetu asusu Translation: Letters are used to write the language. 8. Mkpuru daasusu ka eji edetu a n'unu n'ola oluu nwere. Translation: Speech sounds are used to represent the pronunciation in a specific tone. 9. A na-edeta mkpuru daa n'akara abuo huru ehuru. Translation: Speech sounds are written in two visible lines. 10. Chaati Translation: Chart (Column heading in the table) 11. Mgbochiume Translation: Consonants (Column heading in the table) 12. Udaume Translation: Vowels (Column heading in the table) 13. UDAUME NDI N'ADAPUTA O KWA Translation: Vowels that appear frequently (Row category in the table) 14. UDA CHII Translation: Closed Vowels (Row category in the table) 15. UDA RII Translation: Open Vowels (Row category in the table) 16. UDA NDI Translation: Other Vowels (Row category in the table) 17. UDAKWA Translation: Diphthongs/Glides (Row category in the table) 18. i Translation: The vowel 'i' (listed under frequently appearing vowels) 19. e Translation: The vowel 'e' (listed under frequently appearing vowels) 20. a Translation: The vowel 'a' (listed under frequently appearing vowels)