This is the 9551st most frequent Japanese word.
総武
"総武" (Sōbu) refers to the name of a region or railway line in Japan, specifically the Sōbu Line.
In this sentence, '総武線' refers to a proper noun specifying a train line in Japan, combining '総武' (Sōbu, the name) with '線' (line).
総武線は東京を走る重要な電車路線です。
The Sōbu Line is an important train route running through Tokyo.
Here, '総武地方' specifies a geographical area (fictional for illustration purposes), utilizing '総武' as a region name and '地方' meaning 'region'.
総武地方には美しい自然風景が広がっています。
In the Sōbu region, beautiful natural landscapes extend widely.
In this sentence, '総武大学' refers to an educational institution, using '総武' as its name and '大学' meaning 'university'.