Introduction

서

seo

(initial section of a book or article which introduces subject material)

서론

seoron

(initial section of a book or article which introduces subject material)

서문

seomun

(initial section of a book or article which introduces subject material)

서설

seoseol

(initial section of a book or article which introduces subject material)

소개

sogae

(act or process of introducing)

소개

sogae

(means of presenting one person to another)